Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/flighto/e-commerce/vendor/lexik/jwt-authentication-bundle/Event/AuthenticationFailureEvent.php:16 Stack trace: #0 {main} thrown in /home/flighto/e-commerce/vendor/lexik/jwt-authentication-bundle/Event/AuthenticationFailureEvent.php on line 16